Home / 52,871.94-72,935.64-31,349.16

Finding the Fourth Proportional to 52,871.94, 72,935.64 and 31,349.16

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Solution

The fourth proportional to 52,871.94, 72,935.64 and 31,349.16 is: 43,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.94 : 72,935.64 = 31,349.16 : x
  2. Step 2: Convert to fraction form
    52,871.94/72,935.64 = 31,349.16/x
  3. Step 3: Cross multiply
    52,871.94x = 72,935.64 × 31,349.16
  4. Step 4: Simplify right side
    52,871.94x = 2,286,471,048.06
  5. Step 5: Solve for x
    x = 2,286,471,048.06/52,871.94
  6. Step 6: Final answer
    x = 43,245.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.